html,body {
    height: 100%;
}

.mycontent {
    position: absolute;
    top: 44px;
    bottom: 50px;
    width: 100%;
    background-color: pink;


}
.leftBox {
  float: left;
  width: 80px;
  position: relative;
  height: 100%;
  /* background-color: green; */
  
}
.leftBox .lefCate  a {

    display: block;
    text-align: center;
    height: 45px;
    line-height: 45px;
    color: #333;
    border-right: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    background-color: #fff;


}
.leftBox .lefCate  a.active {
    border-right: 1px solid transparent;
    background-color: orange;
}


.rightBox {
    margin-left: 90px;
    position: relative;
     height: 100%;
     /* background-color: red; */

}
.rightBox  ul {
    margin-top: 10px;
}
.rightBox li {
    float: left;
    width: 33.33%;
    padding-bottom: 5px;

}
.rightBox li a  {
    display: block;

}
.rightBox li a  img {
    /* width: 100%; */
    width: 90%;
    margin: 0 auto;
    display: block;
    margin-bottom: 4px;
}
.rightBox li a span {
    display: block;
    text-align: center;
}





